Fix new file from group
Bugfix: posts still appear after being deleted
Bugfix: "New Note" link in group page does not work properly
ERROR: AttributeError: 'long' object has no attribute 'isdigit'
Merge branch 'feature/new_file_group' of git://github.com/huyhoang1990/jupo into feature/huyhoang1990-new_file_from_group

Conflicts:
	src/templates/new.html
Merge branch 'feature/huyhoang1990-new_file_from_group' into develop
Merge branch 'feature/sentry_log_fix' of git://github.com/NamPNQ/jupo into feature/NamPNQ-sentry_log_fix
Merge branch 'feature/NamPNQ-sentry_log_fix' into develop